[Version] Signature=$Windows NT$ [defaultinstall] AddReg =Reshack copyfiles =main.copy profileitems = reshack.short [Optional Components] Reshacker [reshacker] OptionDesc ="Extra Control Panels" Tip ="Extras" Modes =0,1,2,3 AddReg =Reshack copyfiles =main.copy profileitems = reshack.short [reshack.short] Name = "Resource Hacker",0x00000008,9 CmdLine = 11,,ResHacker.exe WorkingDir = 11 [SourceDisksNames.x86] 1=Program Main Files,"ResHack.cab",,"i386" [DestinationDirs] main.copy = 11 [sourcedisksfiles] ResHacker.cnt =1 ResHacker.exe =1 ResHacker.Hlp =1 [Main.copy] ResHacker.cnt ResHacker.exe ResHacker.Hlp [ResHack] HKCR,"CLSID\%CLSID90%" HKCR,"CLSID\%CLSID90%",,,"Resource Hacker" HKCR,"CLSID\%CLSID90%","InfoTip",,"Allows modification of most file types." HKCR,"CLSID\%CLSID90%\DefaultIcon",,,"%11%\Reshacker.exe" HKCR,"CLSID\%CLSID90%","{305CA226-D286-468e-B848-2B2E8E697B74} 2",0x10001,02,00,00,00 HKCR,"CLSID\%CLSID90%\ShellFolder","Attributes",0x10001,00,00,00,00 HKCR,"CLSID\%CLSID90%\Shell\Open" HKCR,"CLSID\%CLSID90%\Shell\Open\command",,,"Reshacker.exe" HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ControlPanel\NameSpace\%CLSID90%" HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ControlPanel\NameSpace\%CLSID90%",,,"Add Reshacker to The Control Panel" [Strings] CLSID90 ="{D14ED2E1-C75B-443c-BD7C-111111111190}" You had 2 [reshack] sections whaic was causing a conflict.